Year Dollars per Hour 2001-01-01 8.25 2002-01-01 8.36 2003-01-01 8.72 2004-01-01 10.14 2005-01-01 8.70 2006-01-01 9.12 2007-01-01 9.99 2008-01-01 10.41 2009-01-01 10.83 2010-01-01 11.09 2011-01-01 9.99 2012-01-01 10.44 2013-01-01 11.63 2014-01-01 15.01 2015-01-01 15.63 2016-01-01 14.84